dlls/user32/nonclient.c

   1 /*
   2  * Non-client area window functions
   3  *
   4  * Copyright 1994 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "user_private.h"
  22 #include "controls.h"
  23 #include "wine/debug.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(nonclient);
  26
  27 #define SC_ABOUTWINE            (SC_SCREENSAVE+1)
  28
  29
  30 static void adjust_window_rect( RECT *rect, DWORD style, BOOL menu, DWORD exStyle, NONCLIENTMETRICSW *ncm )
  31 {
  32     int adjust = 0;
  33
  34     if ((exStyle & (WS_EX_STATICEDGE|WS_EX_DLGMODALFRAME)) == WS_EX_STATICEDGE)
  35         adjust = 1; /* for the outer frame always present */
  36     else if ((exStyle & WS_EX_DLGMODALFRAME) || (style & (WS_THICKFRAME|WS_DLGFRAME)))
  37         adjust = 2; /* outer */
  38
  39     if (style & WS_THICKFRAME)
  40         adjust += ncm->iBorderWidth + ncm->iPaddedBorderWidth; /* The resize border */
  41
  42     if ((style & (WS_BORDER|WS_DLGFRAME)) || (exStyle & WS_EX_DLGMODALFRAME))
  43         adjust++; /* The other border */
  44
  45     InflateRect (rect, adjust, adjust);
  46
  47     if ((style & WS_CAPTION) == WS_CAPTION)
  48     {
  49         if (exStyle & WS_EX_TOOLWINDOW)
  50             rect->top -= ncm->iSmCaptionHeight + 1;
  51         else
  52             rect->top -= ncm->iCaptionHeight + 1;
  53     }
  54     if (menu) rect->top -= ncm->iMenuHeight + 1;
  55
  56     if (exStyle & WS_EX_CLIENTEDGE)
  57         InflateRect(rect, GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE));
  58 }
  59
  60
  61 /***********************************************************************
  62  *              DrawCaption (USER32.@) Draws a caption bar
  63  */
  64 BOOL WINAPI DrawCaption( HWND hwnd, HDC hdc, const RECT *rect, UINT flags )
  65 {
  66     return NtUserDrawCaptionTemp( hwnd, hdc, rect, 0, 0, NULL, flags & 0x103f );
  67 }
  68
  69
  70 /***********************************************************************
  71  *              DrawCaptionTempA (USER32.@)
  72  */
  73 BOOL WINAPI DrawCaptionTempA (HWND hwnd, HDC hdc, const RECT *rect, HFONT hFont,
  74                               HICON hIcon, LPCSTR str, UINT uFlags)
  75 {
  76     LPWSTR strW;
  77     INT len;
  78     BOOL ret = FALSE;
  79
  80     if (!(uFlags & DC_TEXT) || !str)
  81         return NtUserDrawCaptionTemp( hwnd, hdc, rect, hFont, hIcon, NULL, uFlags );
  82
  83     len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
  84     if ((strW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
  85     {
  86         MultiByteToWideChar( CP_ACP, 0, str, -1, strW, len );
  87         ret = NtUserDrawCaptionTemp( hwnd, hdc, rect, hFont, hIcon, strW, uFlags );
  88         HeapFree( GetProcessHeap (), 0, strW );
  89     }
  90     return ret;
  91 }
  92
  93
  94 /***********************************************************************
  95  *              AdjustWindowRect (USER32.@)
  96  */
  97 BOOL WINAPI DECLSPEC_HOTPATCH AdjustWindowRect( LPRECT rect, DWORD style, BOOL menu )
  98 {
  99     return AdjustWindowRectEx( rect, style, menu, 0 );
 100 }
 101
 102
 103 /***********************************************************************
 104  *              AdjustWindowRectEx (USER32.@)
 105  */
 106 BOOL WINAPI DECLSPEC_HOTPATCH AdjustWindowRectEx( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle )
 107 {
 108     NONCLIENTMETRICSW ncm;
 109
 110     TRACE("(%s) %08lx %d %08lx\n", wine_dbgstr_rect(rect), style, menu, exStyle );
 111
 112     ncm.cbSize = sizeof(ncm);
 113     SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0 );
 114
 115     adjust_window_rect( rect, style, menu, exStyle, &ncm );
 116     return TRUE;
 117 }
 118
 119
 120 /***********************************************************************
 121  *              AdjustWindowRectExForDpi (USER32.@)
 122  */
 123 BOOL WINAPI DECLSPEC_HOTPATCH AdjustWindowRectExForDpi( LPRECT rect, DWORD style, BOOL menu,
 124                                                         DWORD exStyle, UINT dpi )
 125 {
 126     NONCLIENTMETRICSW ncm;
 127
 128     TRACE("(%s) %08lx %d %08lx %u\n", wine_dbgstr_rect(rect), style, menu, exStyle, dpi );
 129
 130     ncm.cbSize = sizeof(ncm);
 131     SystemParametersInfoForDpi( SPI_GETNONCLIENTMETRICS, 0, &ncm, 0, dpi );
 132
 133     adjust_window_rect( rect, style, menu, exStyle, &ncm );
 134     return TRUE;
 135 }
 136
 137
 138
 139 /***********************************************************************
 140  *           NC_HandleSysCommand
 141  *
 142  * Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
 143  */
 144 LRESULT NC_HandleSysCommand( HWND hwnd, WPARAM wParam, LPARAM lParam )
 145 {
 146     if (!NtUserMessageCall( hwnd, WM_SYSCOMMAND, wParam, lParam, 0, NtUserDefWindowProc, FALSE ))
 147         return 0;
 148
 149     switch (wParam & 0xfff0)
 150     {
 151     case SC_TASKLIST:
 152         WinExec( "taskman.exe", SW_SHOWNORMAL );
 153         break;
 154
 155     case SC_SCREENSAVE:
 156         if (wParam == SC_ABOUTWINE)
 157         {
 158             HMODULE hmodule = LoadLibraryA( "shell32.dll" );
 159             if (hmodule)
 160             {
 161                 BOOL (WINAPI *aboutproc)(HWND, LPCSTR, LPCSTR, HICON);
 162                 const char * (CDECL *p_wine_get_version)(void);
 163                 char app[256];
 164
 165                 p_wine_get_version = (void *)GetProcAddress( GetModuleHandleW(L"ntdll.dll"), "wine_get_version" );
 166                 aboutproc = (void *)GetProcAddress( hmodule, "ShellAboutA" );
 167                 if (p_wine_get_version && aboutproc)
 168                 {
 169                     snprintf( app, ARRAY_SIZE(app), "Wine %s", p_wine_get_version() );
 170                     aboutproc( hwnd, app, NULL, 0 );
 171                 }
 172                 FreeLibrary( hmodule );
 173             }
 174         }
 175         break;
 176     }
 177     return 0;
 178 }
 179
 180 static void user_draw_mdi_button( HDC hdc, enum NONCLIENT_BUTTON_TYPE type, RECT rect, BOOL down, BOOL grayed )
 181 {
 182     UINT flags;
 183
 184     switch (type)
 185     {
 186     case MENU_CLOSE_BUTTON:
 187         flags = DFCS_CAPTIONCLOSE;
 188         break;
 189     case MENU_MIN_BUTTON:
 190         flags = DFCS_CAPTIONMIN;
 191         break;
 192     case MENU_MAX_BUTTON:
 193         flags = DFCS_CAPTIONMAX;
 194         break;
 195     case MENU_RESTORE_BUTTON:
 196         flags = DFCS_CAPTIONRESTORE;
 197         break;
 198     case MENU_HELP_BUTTON:
 199         flags = DFCS_CAPTIONHELP;
 200         break;
 201     default:
 202         return;
 203     }
 204
 205     if (down)
 206         flags |= DFCS_PUSHED;
 207     if (grayed)
 208         flags |= DFCS_INACTIVE;
 209
 210     DrawFrameControl( hdc, &rect, DFC_CAPTION, flags );
 211 }
 212
 213 void WINAPI USER_NonClientButtonDraw( HWND hwnd, HDC hdc, enum NONCLIENT_BUTTON_TYPE type,
 214                                       RECT rect, BOOL down, BOOL grayed )
 215 {
 216     switch (type)
 217     {
 218     case MENU_CLOSE_BUTTON:
 219     case MENU_MIN_BUTTON:
 220     case MENU_MAX_BUTTON:
 221     case MENU_RESTORE_BUTTON:
 222     case MENU_HELP_BUTTON:
 223         user_draw_mdi_button( hdc, type, rect, down, grayed );
 224         return;
 225     }
 226 }